1:1 Type Minerals in Soils
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Questions and Answers

Which type of mineral consists of one tetrahedral sheet combined with one octahedral sheet?

  • 1:1-type mineral (correct)
  • 2:1-type mineral
  • 1:2-type mineral
  • 2:2-type mineral

    • Which mineral is the most prominent member of the 1:1-type group in soils?

  • Nacrite
  • Kaolinite (correct)
  • Hallosite
  • Dickite

    • How are the tetrahedral and octahedral sheets in a layer of kaolinite held together?

  • By ionic bonds
  • By van der Waals forces
  • By covalent bonds
  • By hydrogen bonding (correct)

    • Why is the effective surface of kaolinite restricted to its outer faces or external surface area?

    <p>Because of the strong binding forces between layers</p> Signup and view all the answers

    What is the shape of kaolinite crystals usually described as?

    <p>Hexagonal</p> Signup and view all the answers

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